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Finding the Fourth Proportional to 1,351,464, 1,865,078.64 and 747,852

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Solution

The fourth proportional to 1,351,464, 1,865,078.64 and 747,852 is: 1,032,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,464 : 1,865,078.64 = 747,852 : x
  2. Step 2: Convert to fraction form
    1,351,464/1,865,078.64 = 747,852/x
  3. Step 3: Cross multiply
    1,351,464x = 1,865,078.64 × 747,852
  4. Step 4: Simplify right side
    1,351,464x = 1,394,802,791,081.28
  5. Step 5: Solve for x
    x = 1,394,802,791,081.28/1,351,464
  6. Step 6: Final answer
    x = 1,032,068.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.